223244424 has 80 divisors (see below), whose sum is σ = 673415820. Its totient is φ = 68688000.

The previous prime is 223244419. The next prime is 223244447. The reversal of 223244424 is 424442322.

223244424 is a `hidden beast` number, since 2 + 232 + 4 + 4 + 424 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 206841924 + 16402500 = 14382^2 + 4050^2 .

It is a super-3 number, since 3×223244424³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4827 + ... + 21674.

Almost surely, 2^223244424 is an apocalyptic number.

223244424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223244424 is an abundant number, since it is smaller than the sum of its proper divisors (450171396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223244424 is a wasteful number, since it uses less digits than its factorization.

223244424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26532 (or 26519 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 223244424 is about 14941.3662025934. The cubic root of 223244424 is about 606.6341758284.

Adding to 223244424 its reverse (424442322), we get a palindrome (647686746).

It can be divided in two parts, 2232 and 44424, that added together give a 6-th power (46656 = 6⁶).

The spelling of 223244424 in words is "two hundred twenty-three million, two hundred forty-four thousand, four hundred twenty-four".